Methyl 2-(fluoromethyl)-5-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 6-(fluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-(chloromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-5-acetate
Methyl 2-(fluoromethyl)-4-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylate